Origin-8 AL6061-T6 Alloy Seatpost Clamp Secure your ride with the Origin-8 AL6061-T6 Alloy Seatpost Clamp, designed for strength, durability, and frame protection. Its lightweight yet robust construction features rounded edges and a floating bolt with an ovalized hole design, ensuring a secure fit while minimizing stress on carbon frames and seatposts. Key Features: Premium Material: Constructed from AL6061-T6 alloy for exceptional strength and lightweight performance. Frame-Friendly Design: Rounded edges and floating bolt/ovalized hole protect delicate carbon frames and seatposts. Precision Fit: Available in multiple sizes to suit a variety of seat post and frame combinations: Ø28.6mm for Ø25.4mm seat posts and steel frames Ø29.8mm for Ø27.2mm seat posts and chromoly frames Ø31.8mm for Ø27.2mm seat posts and aluminum frames Ø34.9mm for Ø30.9mm seat posts and aluminum frames, or Ø31.6mm seat posts and carbon frames Compact Design: 16mm height for a sleek, low-profile look. Whether you’re upgrading or replacing, this versatile seatpost clamp is built to handle the demands of your ride while providing peace of mind for your frame and components.